255698916 has 48 divisors (see below), whose sum is σ = 673323840. Its totient is φ = 74811520.

The previous prime is 255698909. The next prime is 255698917. The reversal of 255698916 is 619896552.

It is not an unprimeable number, because it can be changed into a prime (255698917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29571 + ... + 37226.

It is an arithmetic number, because the mean of its divisors is an integer number (14027580).

Almost surely, 2^255698916 is an apocalyptic number.

It is an amenable number.

255698916 is an abundant number, since it is smaller than the sum of its proper divisors (417624924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255698916 is a wasteful number, since it uses less digits than its factorization.

255698916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66844 (or 66842 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 51.

The square root of 255698916 is about 15990.5883569054. The cubic root of 255698916 is about 634.7113955002.

The spelling of 255698916 in words is "two hundred fifty-five million, six hundred ninety-eight thousand, nine hundred sixteen".